Polk Audio Atrium6 All-Weather Indoor/Outdoor Speakers (Black) - Polk Atrium 6 - High-Quality Sound for Outdoor Entertainment - Weather-Resistant - Aluminum Grilles - Dynamic Balance Technology - 5.25" Driver - 1" Tweeter - Power Port Bass Venting

Polk Audio. A workhorse when it comes to filling large spaces with the kind of big, lifelike high quality sound for all your outdoor entertainment. Atrium 6 speakers are All-Weather Certified and Water-Resistant built to withstand the worst elements salt-fog, UV, extreme temps or heavy rains, you name it. Aluminum grilles and bracket, with stainless steel and brass hardware means no rust ever. Polk s patented Dynamic Balance technology with 5.25 Driver, 1 Tweeter and Power Port Bass Venting analyzes the speaker s entire electro-acoustic and mechanical system for improved material selection and more efficient geometry. These speakers are easy to install and look great both outdoors and indoors. 5.5 Drivers and 1 Tweeters-5.25 Dynamic Balance long-throw mineral-filled polypropylene cone driver with butyl rubber surround pumps out surprising bass response from a compact design. 1 Dynamic Balance anodized aluminum dome tweeter with rubber surround and neodymium magnet for better power hand